Grid Integration of Renewable Energy Resources [video]
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The grid integration of photovoltaics (PV) and other distributed energy resources provide opportunities for enhanced reliability and resiliency of the electric grid. This integration also offers cost savings, reduced losses, and emissions reductions. However, distributed resources are typically variable in output (e.g., due to varying cloud cover) and customer-owned input, meaning the utility has no visibility or control over their generation. Grid integration concerns include matching load with generation and maintaining operations within safe voltage and current limits. This talk will present several areas of ongoing research in the Renewable and Distributed Systems Integration Department at Sandia National Laboratories. Specific topics will include a discussion of the magnitude of solar variability, how variability is “smoothed” when aggregated spatially, and variability’s impact to electric grids with high PV penetrations. Also presented is an evaluation of PV and load forecasts, including their value to planning and operation, and a demonstration of hosting capacity analysis, which determines the maximum capacity of PV or other distributed resources that can be installed without causing problems to distribution grid operations. Additionally, methods to control distributed energy resources such that they can support rather than hinder grid operations will be discussed.
Dr. Matthew Lave, Renewable and Distributed Systems Integration Department, Sandia National LaboratoriesNPS Defense Energy Seminar
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